CN215893559U - Rotational position detection device - Google Patents
Rotational position detection device Download PDFInfo
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- CN215893559U CN215893559U CN202121655167.3U CN202121655167U CN215893559U CN 215893559 U CN215893559 U CN 215893559U CN 202121655167 U CN202121655167 U CN 202121655167U CN 215893559 U CN215893559 U CN 215893559U
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Abstract
The utility model relates to the technical field of detection, in particular to a rotary position detection device. The utility model provides a rotary position detection device, is including being used for turning into linear motion's shifter, mounting bracket and controller with the rotary motion of motor output shaft, the linear motion of shifter is served and is provided with first position sensing device, be provided with two along linear motion end direction of motion on the mounting bracket and be used for with the second position sensing device that first position sensing device responded to mutually, two second position sensing device is located respectively first position sensing device both sides, first position sensing device or second position sensing device with the controller electricity is connected. The rotary position detection device is arranged at the tail end of the output shaft of the motor which needs to realize forward and reverse rotation through the coupler, so that the application range of the rotary position detection device is expanded.
Description
Technical Field
The utility model relates to the technical field of detection, in particular to a rotary position detection device.
Background
At present, the action is realized to the control mode that automatic feeding machine control field adopted PLC + encoder more, in pipe cutter field, because the control shaft is less, generally with the single board computer control, the programming can be realized more easily to the action, the cost is lower, but partial single board computer does not support the access to the encoder signal, so to the unable discernment of rotatory position signal, at this moment still need use the higher PLC control of cost, in order to reduce the cost, access a rotatory position detection device and replace PLC + encoder. The Chinese patent application, publication number is: CN205583916U discloses lead screw motor's stroke stop device, including lead screw motor body, still include housing, first inductive switch, second inductive switch, response pole, lead screw motor body's lead screw is located the housing at least partially, and the housing is connected on lead screw motor body, is equipped with the hole of stepping down on the housing, first inductive switch sets up on the housing and is located the one side in the hole of stepping down, second inductive switch sets up on the housing and is located the opposite side in the hole of stepping down, the hole of stepping down of housing is passed from to the one end of response pole, and the other end of response pole can set up on the lead screw of lead screw motor body with reciprocating motion. The technical scheme disclosed has the advantage of being capable of controlling the telescopic stroke of the connecting shaft, but the technical scheme is mostly applied to the screw rod motor and has the problem of small application range.
SUMMERY OF THE UTILITY MODEL
The utility model provides a rotary position detection device for overcoming the problem that the stroke limiting device of a screw motor in the prior art is small in application range.
In order to solve the technical problems, the utility model adopts the technical scheme that: the utility model provides a rotary position detection device, is including being used for turning into linear motion's shifter, mounting bracket and controller with the rotary motion of motor output shaft, the linear motion of shifter is served and is provided with first position sensing device, be provided with two along linear motion end direction of motion on the mounting bracket and be used for with the second position sensing device that first position sensing device responded to mutually, two second position sensing device is located respectively first position sensing device both sides, first position sensing device or second position sensing device with the controller electricity is connected.
In the technical scheme, a rotary motion end of a conversion mechanism is arranged on an output shaft of a motor, a controller is connected with the motor, the rotary motion end is connected with a coupler, a first position sensing device is arranged on a linear motion end, the conversion mechanism converts the rotary motion of the output shaft of the motor into the linear motion in the rotation process of the motor, the first position sensing device is positioned between two second position sensing devices, when one second position sensing device is sensed by the first position sensing device, the sensed signal is transmitted to the controller, the controller controls the motor to rotate in the direction opposite to the current direction, when the other second position sensing device is sensed by the first position sensing device in the reverse movement process of the first position sensing device, the sensed signal is transmitted to the controller, and the controller controls the motor to rotate in the direction opposite to the current direction, thereby realizing the positive and negative rotation switching of the motor. The technical scheme avoids the problem of high cost caused by the fact that the traditional scheme adopts a PLC and an encoder to realize positive and negative rotation of the motor. Meanwhile, the rotating position detection device of the technical scheme is arranged at the tail end of the output shaft of the motor which needs to rotate forward and backward through the coupler, so that the application range of the rotating position detection device is widened.
Preferably, the conversion mechanism is a screw nut transmission mechanism or a ball screw nut transmission mechanism, one end of a screw of the screw nut transmission mechanism or the ball screw nut transmission mechanism is connected with a coupler, and a nut of the screw nut transmission mechanism or the ball screw nut transmission mechanism is provided with the first position sensing device; the first position sensing device is of a rod-shaped structure, one end of the rod-shaped structure is connected with the nut, a guide groove is formed in the mounting rack along the axial direction of the screw rod, and the other end of the first position sensing device is located in the guide groove and is in sliding connection with the guide groove.
Preferably, the first position sensing devices are located at both sides of the two second position sensing devices and above the second position sensing devices.
Preferably, an installation groove is formed in the installation frame along the moving direction of the linear motion end, and the second position sensing device is detachably arranged in the installation groove.
Preferably, the second position sensing device is of a rod-shaped structure, a fixing piece and a fastening nut in threaded connection with the second position sensing device are arranged on the second position sensing device, and the fixing piece and the fastening nut are respectively abutted to the upper surface and the lower surface of the mounting groove.
Preferably, the mounting bracket comprises a bottom bracket and a mounting plate assembly mounted on the bottom bracket, the guide groove and the mounting groove are arranged on the mounting plate assembly, and the second position sensing device is mounted on the mounting plate assembly.
Preferably, at least two bases are arranged on the bottom frame, the two bases are respectively located on two sides of the nut, a bearing is arranged in each base, and the screw rod is installed in each bearing.
Preferably, the mounting plate assembly comprises a bottom plate, a top plate and side plates, the bottom plate, the top plate and the side plates are mounted on the bottom frame, the side plates are vertically connected between the bottom plate and the top plate, the guide grooves are formed in the side plates, and the mounting grooves are formed in the top plate.
Preferably, the first position sensing device is a first sensing member or a first sensing switch, the second position sensing device is a second sensing switch for sensing the first sensing member or a second sensing member for sensing the first sensing switch, and the first sensing switch or the second sensing switch is connected with the controller
Preferably, the first inductive switch and the second inductive switch are photoelectric inductive switches or travel switches.
Compared with the prior art, the utility model has the beneficial effects that: the utility model avoids the problem of high cost caused by the fact that the traditional scheme adopts a PLC and an encoder to realize positive and negative rotation of the motor. Meanwhile, the rotating position detection device of the technical scheme is arranged at the tail end of the output shaft of the motor which needs to rotate forward and backward through the coupler, so that the application range of the rotating position detection device is widened.
Drawings
FIG. 1 is a perspective view of a rotational position detecting apparatus according to the present invention;
fig. 2 is a perspective view of another angle of view of the rotational position detecting apparatus of the present invention.
In the drawings: 1. a coupling; 2. a mounting frame; 3. a second position sensing device; 4. a screw rod; 5. a guide groove; 6. a nut; 7. a first position sensing device; 8. mounting grooves; 9. a fixing member; 10. fastening a nut; 11. a base; 12. a connecting member; 21. a chassis; 22. mounting the plate assembly; 221. a base plate; 222. a top plate; 223. side plates.
Detailed Description
The drawings are for illustrative purposes only and are not to be construed as limiting the patent; for the purpose of better illustrating the embodiments, certain features of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted. The positional relationships depicted in the drawings are for illustrative purposes only and are not to be construed as limiting the present patent.
The same or similar reference numerals in the drawings of the embodiments of the present invention correspond to the same or similar components; in the description of the present invention, it should be understood that if there are terms such as "upper", "lower", "left", "right", "long", "short", etc., indicating orientations or positional relationships based on the orientations or positional relationships shown in the drawings, it is only for convenience of description and simplicity of description, but does not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore, the terms describing the positional relationships in the drawings are only used for illustrative purposes and are not to be construed as limitations of the present patent, and specific meanings of the terms may be understood by those skilled in the art according to specific situations.
The technical scheme of the utility model is further described in detail by the following specific embodiments in combination with the attached drawings:
example 1
As shown in fig. 1 to 2, a rotational position detecting apparatus includes a converting mechanism for converting a rotational motion of an output shaft of a motor into a linear motion, a mounting frame 2 and a controller, wherein a linear motion end of the converting mechanism is provided with a first position sensing device 7, the mounting frame 2 is provided with two second position sensing devices 3 along a motion direction of the linear motion end for sensing with the first position sensing device 7, the two second position sensing devices 3 are respectively located at two sides of the first position sensing device 7, and the first position sensing device 7 or the second position sensing device 3 is electrically connected with the controller. In the embodiment, the rotary motion end of the conversion mechanism is arranged on the output shaft of the motor, the controller is connected with the motor, the linear motion end is provided with the first position sensing device 7, the conversion mechanism converts the rotary motion of the output shaft of the motor into the linear motion during the rotation process of the motor, since the first position sensing device 7 is located between the two second position sensing devices 3, when one of the second position sensing devices 3 is sensed with the first position sensing device 7, and transmits the sensed signal to the controller, the controller controls the motor to rotate in the direction opposite to the current direction, and in the process of the reverse movement of the first position sensing device 7, when the other second position sensing device 3 senses the first position sensing device 7, the sensed signal is transmitted to the controller, and the controller controls the motor to rotate in the direction opposite to the current direction, so that the forward and reverse rotation of the motor is switched.
The switching mechanism is a screw nut transmission mechanism or a ball screw nut transmission mechanism, one end of a screw rod 4 of the screw nut transmission mechanism or the ball screw nut transmission mechanism is connected with the coupler 1, and a nut 6 of the screw nut transmission mechanism or the ball screw nut transmission mechanism is provided with a first position sensing device 7; the first position sensing device 7 is a rod-shaped structure with one end connected with the nut 6, the mounting frame 2 is provided with a guide groove 5 along the axial direction of the screw rod 4, and the other end of the first position sensing device 7 is positioned in the guide groove 5 and is in sliding connection with the guide groove. In the embodiment, a screw rod 4 is installed on the tail end of an output shaft of a motor by using a coupler 1, a controller is connected with the motor, the motor drives the screw rod 4 connected with the motor to rotate in the rotating process, a nut 6 moves along the axial direction of the screw rod 4 and drives a first position sensing device 7 connected with the screw rod to move in the rotating process of the screw rod 4, as two second position sensing devices 3 are arranged on two sides of the first position sensing device 7, when one second position sensing device 3 is sensed by the first position sensing device 7, the sensed signal is transmitted to the controller, the controller controls the motor to rotate in the direction opposite to the current direction, in the process that the first position sensing device 7 moves reversely, when the other second position sensing device 3 is sensed by the first position sensing device 7, the sensed signal is transmitted to the controller, and the controller controls the motor to rotate in the direction opposite to the current direction, thereby realizing the positive and negative rotation switching of the motor. It should be noted that the nut 6 is provided with a connecting member 12, and one end of the first position sensing device 7 is mounted on the connecting member 12. The connecting piece 12 may be mounted on the nut 6 by means of welding.
In addition, the first position sensing devices 7 are located at both sides of the two second position sensing devices 3 and above the second position sensing devices 3. In the present embodiment, since the first position sensing device 7 is reciprocally moved between the two second position sensing devices 3, the first position sensing device 7 or the second position sensing device 3
Under the condition that the damage appears, can directly avoid first position sensing device 7 and second position sensing device 3 the problem that the collision appears. It should be noted that, the two second position sensing devices 3 are located on two sides of the first position sensing device 7 and above the first position sensing device 7, which means that the two second position sensing devices 3 are located on the upper left side and the upper right side of the first position sensing device 7, respectively.
In addition, the mounting frame 2 is provided with a mounting groove 8 along the moving direction of the linear motion end, and the second position sensing device is detachably arranged in the mounting groove 8. In this embodiment, because second position sensing device 3 detachably installs in mounting groove 8, second position sensing device 3 can install in mounting groove 8 arbitrary position to can be convenient for adjust the distance between two second position sensing devices 3, thereby can be according to operating condition's needs, specifically according to the angle of motor corotation and the angle of reversal adjust the distance between two second position sensing devices 3.
The second position sensing device 3 is of a rod-shaped structure, a fixing piece 9 and a fastening nut 10 in threaded connection with the second position sensing device 3 are arranged on the second position sensing device 3, and the fixing piece 9 and the fastening nut 10 are respectively abutted to the upper surface and the lower surface of the mounting groove 8. In the present embodiment, when the second position sensing device 3 is installed in the installation groove 8, the fixing member 9 abuts against the lower bottom surface of the installation groove 8, and the fastening nut 10 abuts against the upper top surface of the installation groove 8, thereby ensuring the position stability of the second position sensing device 3 in the installation groove 8. The fastening nut 10 is loosened, the second position sensing device 3 is adjusted to a required position, and then the fastening nut 10 is screwed, so that the position adjustment of the second position sensing device 3 can be realized.
In addition, the mounting bracket 2 includes a base frame 21 and a mounting plate assembly 22 mounted on the base frame 21, the guide groove 5 and the mounting groove 8 are disposed on the mounting plate assembly 22, and the second position sensing device 3 is mounted on the mounting plate assembly 22. In the present embodiment, the chassis 21 is provided, and the chassis 21 may be fixed as required. It should be noted that the chassis 21 and the mounting plate assembly 22 may be welded, or may be fixedly connected by other methods.
Wherein, be provided with two at least bases 11 on the chassis 21, two bases 11 are located the both sides of nut 6 respectively, are provided with the bearing in the base 11, and lead screw 4 installs in the bearing. Therefore, the lead screw 4 can be ensured to move more stably in the rotating process of the motor. It should be noted that the end of the lead screw 4 is mounted in the bearing of one of the bases 11, the end of the lead screw 4 connected to the coupler 1 is mounted in the bearing of the other base 11, the two second position sensing devices 3 are located between the two bases 11 in the transverse direction, and the nut 6 is located between the two bases 11. In addition, the part of the screw rod 4 mounted on the bearing is of a polished rod structure.
In addition, the mounting plate assembly 22 includes a bottom plate 221, a top plate 222, and a side plate 223 mounted on the bottom chassis 21, the side plate 223 is vertically connected between the bottom plate 221 and the top plate 222, the guide groove 5 is provided on the side plate 223, and the mounting groove 8 is provided on the top plate 222. The bottom plate 221, the side plate 223, and the top plate 222 may be formed by bending a single plate, or the bottom plate 221, the side plate 223, and the top plate 222 may be separated from each other, and the side plate 223 is welded to the bottom plate 221 and the top plate 222, respectively. In case of a failure of the first position sensing device 7 or the second position sensing device 3, it is possible to prevent the first position sensing device moving in the guide groove 5 from colliding with the second position sensing device 3 mounted in the mounting groove 8 during the movement.
The first position sensing device 7 is a first sensing element or a first sensing switch, the second position sensing device 3 is a second sensing switch for sensing the first sensing element or a second sensing element for sensing the first sensing switch, and the first sensing switch or the second sensing switch is connected with the controller. When one of the second inductive switches senses the first inductive element, the sensed signal is transmitted to the controller, the controller controls the motor to rotate in a direction opposite to the current direction, in the process of reverse movement of the first inductive element, when the other second inductive switch senses the first inductive element, the sensed signal is transmitted to the controller, the controller controls the motor to rotate in the direction opposite to the current direction (or when the first inductive switch senses the second inductive element, the sensed signal is transmitted to the controller, the controller controls the motor to rotate in the direction opposite to the current direction, in the process of reverse movement of the first inductive switch, when the first inductive switch senses the other second inductive element, the sensed signal is transmitted to the controller, and the controller controls the motor to rotate in the direction opposite to the current direction), so that forward and reverse rotation switching of the motor is realized.
In addition, the first inductive switch and the second inductive switch are photoelectric inductive switches or travel switches.
It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (10)
1. A rotational position detecting device characterized in that: including being used for converting the rotary motion of motor output shaft into linear motion's shifter, mounting bracket (2) and controller, the linear motion of shifter is served and is provided with first position induction device (7), be provided with two along linear motion end direction of motion on mounting bracket (2) be used for with second position induction device (3) that first position induction device (7) responded to mutually, two second position induction device (3) are located respectively first position induction device (7) both sides, first position induction device (7) or second position induction device (3) with the controller electricity is connected.
2. The rotational position detecting apparatus according to claim 1, characterized in that: the conversion mechanism is a screw nut transmission mechanism or a ball screw nut transmission mechanism, one end of a screw rod (4) of the screw nut transmission mechanism or the ball screw nut transmission mechanism is connected with a coupler (1), and a nut (6) of the screw nut transmission mechanism or the ball screw nut transmission mechanism is provided with the first position sensing device (7); first position induction device (7) be one end with the shaft-like structure that nut (6) link to each other, mounting bracket (2) are followed the axial of lead screw (4) is provided with guide way (5), the other end of first position induction device (7) is located in guide way (5) and rather than sliding connection.
3. The rotational position detecting apparatus according to claim 2, characterized in that: the first position sensing devices (7) are positioned on two sides of the two second position sensing devices (3) and above the second position sensing devices (3).
4. The rotational position detecting apparatus according to claim 3, characterized in that: mounting bracket (2) are gone up and are provided with mounting groove (8) along linear motion end moving direction, second position sensing device (3) can be dismantled and set up in mounting groove (8).
5. The rotational position detecting apparatus according to claim 4, characterized in that: the second position sensing device (3) is of a rod-shaped structure, a fixing piece (9) and a fastening nut (10) in threaded connection with the second position sensing device (3) are arranged on the second position sensing device (3), and the fixing piece (9) and the fastening nut (10) are respectively abutted to the upper surface and the lower surface of the mounting groove (8).
6. The rotational position detecting apparatus according to claim 4, characterized in that: the mounting rack (2) comprises a bottom frame (21) and a mounting plate assembly (22) mounted on the bottom frame (21), the guide groove (5) and the mounting groove (8) are arranged on the mounting plate assembly (22), and the second position sensing device (3) is mounted on the mounting plate assembly (22).
7. The rotational position detecting apparatus according to claim 6, characterized in that: the base frame (21) is provided with at least two bases (11), the two bases (11) are respectively located on two sides of the nut (6), a bearing is arranged in each base (11), and the screw rod (4) is installed in each bearing.
8. The rotational position detecting apparatus according to claim 6, characterized in that: the mounting plate assembly (22) comprises a bottom plate (221), a top plate (222) and side plates (223) which are mounted on the bottom frame (21), the side plates (223) are vertically connected between the bottom plate (221) and the top plate (222), the guide grooves (5) are formed in the side plates (223), and the mounting grooves (8) are formed in the top plate (222).
9. The rotational position detecting device according to any one of claims 1 to 8, characterized in that: the first position sensing device (7) is a first sensing piece or a first sensing switch, the second position sensing device (3) is a second sensing switch used for sensing the first sensing piece or a second sensing piece used for sensing the first sensing switch, and the first sensing switch or the second sensing switch is connected with the controller.
10. The rotational position detecting apparatus according to claim 9, characterized in that: the first inductive switch and the second inductive switch are photoelectric inductive switches or travel switches.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121655167.3U CN215893559U (en) | 2021-07-20 | 2021-07-20 | Rotational position detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121655167.3U CN215893559U (en) | 2021-07-20 | 2021-07-20 | Rotational position detection device |
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| Publication Number | Publication Date |
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| CN215893559U true CN215893559U (en) | 2022-02-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202121655167.3U Active CN215893559U (en) | 2021-07-20 | 2021-07-20 | Rotational position detection device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115305100A (en) * | 2022-05-17 | 2022-11-08 | 陕西陕焦化工有限公司 | Travel control sensing system and sensing method for coke pushing and coal charging car |
| WO2024045022A1 (en) * | 2022-08-31 | 2024-03-07 | 深圳市戎马易圣科技有限公司 | Electric push-pull mechanism |
-
2021
- 2021-07-20 CN CN202121655167.3U patent/CN215893559U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115305100A (en) * | 2022-05-17 | 2022-11-08 | 陕西陕焦化工有限公司 | Travel control sensing system and sensing method for coke pushing and coal charging car |
| WO2024045022A1 (en) * | 2022-08-31 | 2024-03-07 | 深圳市戎马易圣科技有限公司 | Electric push-pull mechanism |
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